[Not easy to deform, no odor]This long funnel is non- because it is made of food-grade silicone. There is no taste or smell, we provide you with a practical and safe funnel that you can use every day. Not easy to deform, no odor. [How to use]This is a great addition to your espresso machine. Suitable for espresso machines with a water tank on the back. Just put the silicone funnel on the top of the machine, put the nozzle directly into the water tank opening, then open the water tank cover and pour water directly into the funnel opening. [Easy to fill]The right size allows you to easily fill the water tank of your espresso machine without having to frequently remove the water tank for refilling. [Fast ]This espresso machine water tank funnel is designed with an inclined funnel opening to the of water, so you can quickly fill the water tank without having to fill it frequently.